JPS5519822B2 - - Google Patents

Info

Publication number
JPS5519822B2
JPS5519822B2 JP13239575A JP13239575A JPS5519822B2 JP S5519822 B2 JPS5519822 B2 JP S5519822B2 JP 13239575 A JP13239575 A JP 13239575A JP 13239575 A JP13239575 A JP 13239575A JP S5519822 B2 JPS5519822 B2 JP S5519822B2
Authority
JP
Japan
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
JP13239575A
Other versions
JPS51103574A (ja
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed filed Critical
Publication of JPS51103574A publication Critical patent/JPS51103574A/ja
Publication of JPS5519822B2 publication Critical patent/JPS5519822B2/ja
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D5/00—Rigid or semi-rigid containers of polygonal cross-section, e.g. boxes, cartons or trays, formed by folding or erecting one or more blanks made of paper
    • B65D5/20—Rigid or semi-rigid containers of polygonal cross-section, e.g. boxes, cartons or trays, formed by folding or erecting one or more blanks made of paper by folding-up portions connected to a central panel from all sides to form a container body, e.g. of tray-like form
    • B65D5/24—Rigid or semi-rigid containers of polygonal cross-section, e.g. boxes, cartons or trays, formed by folding or erecting one or more blanks made of paper by folding-up portions connected to a central panel from all sides to form a container body, e.g. of tray-like form with adjacent sides interconnected by gusset folds
    • B65D5/244—Rigid or semi-rigid containers of polygonal cross-section, e.g. boxes, cartons or trays, formed by folding or erecting one or more blanks made of paper by folding-up portions connected to a central panel from all sides to form a container body, e.g. of tray-like form with adjacent sides interconnected by gusset folds and the gussets folds connected to the outside of the container body
    • B65D5/246—Rigid or semi-rigid containers of polygonal cross-section, e.g. boxes, cartons or trays, formed by folding or erecting one or more blanks made of paper by folding-up portions connected to a central panel from all sides to form a container body, e.g. of tray-like form with adjacent sides interconnected by gusset folds and the gussets folds connected to the outside of the container body the container body comprising a continuous rim or flange
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D43/00—Lids or covers for rigid or semi-rigid containers
    • B65D43/02—Removable lids or covers
    • B65D43/0202—Removable lids or covers without integral tamper element
    • B65D43/0204—Removable lids or covers without integral tamper element secured by snapping over beads or projections
    • B65D43/021—Removable lids or covers without integral tamper element secured by snapping over beads or projections only on the inside, or a part turned to the inside, of the mouth
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D5/00—Rigid or semi-rigid containers of polygonal cross-section, e.g. boxes, cartons or trays, formed by folding or erecting one or more blanks made of paper
    • B65D5/20—Rigid or semi-rigid containers of polygonal cross-section, e.g. boxes, cartons or trays, formed by folding or erecting one or more blanks made of paper by folding-up portions connected to a central panel from all sides to form a container body, e.g. of tray-like form
    • B65D5/2038—Rigid or semi-rigid containers of polygonal cross-section, e.g. boxes, cartons or trays, formed by folding or erecting one or more blanks made of paper by folding-up portions connected to a central panel from all sides to form a container body, e.g. of tray-like form at least two opposed folded-up portions having a non-rectangular shape
    • B65D5/2047—Rigid or semi-rigid containers of polygonal cross-section, e.g. boxes, cartons or trays, formed by folding or erecting one or more blanks made of paper by folding-up portions connected to a central panel from all sides to form a container body, e.g. of tray-like form at least two opposed folded-up portions having a non-rectangular shape trapezoidal, e.g. to form a body with diverging side walls
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D5/00—Rigid or semi-rigid containers of polygonal cross-section, e.g. boxes, cartons or trays, formed by folding or erecting one or more blanks made of paper
    • B65D5/42—Details of containers or of foldable or erectable container blanks
    • B65D5/44—Integral, inserted or attached portions forming internal or external fittings
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D5/00—Rigid or semi-rigid containers of polygonal cross-section, e.g. boxes, cartons or trays, formed by folding or erecting one or more blanks made of paper
    • B65D5/42—Details of containers or of foldable or erectable container blanks
    • B65D5/44—Integral, inserted or attached portions forming internal or external fittings
    • B65D5/441—Reinforcements
    • B65D5/445—Reinforcements formed separately from the container
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D2543/00—Lids or covers essentially for box-like containers
    • B65D2543/00009—Details of lids or covers for rigid or semi-rigid containers
    • B65D2543/00018—Overall construction of the lid
    • B65D2543/00064—Shape of the outer periphery
    • B65D2543/0012—Shape of the outer periphery having straight sides, e.g. with curved corners
    • B65D2543/00175—Shape of the outer periphery having straight sides, e.g. with curved corners four straight sides, e.g. trapezium or diamond
    • B65D2543/00194—Shape of the outer periphery having straight sides, e.g. with curved corners four straight sides, e.g. trapezium or diamond square or rectangular
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D2543/00—Lids or covers essentially for box-like containers
    • B65D2543/00009—Details of lids or covers for rigid or semi-rigid containers
    • B65D2543/00018—Overall construction of the lid
    • B65D2543/00259—Materials used
    • B65D2543/00296—Plastic
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D2543/00—Lids or covers essentially for box-like containers
    • B65D2543/00009—Details of lids or covers for rigid or semi-rigid containers
    • B65D2543/00444—Contact between the container and the lid
    • B65D2543/00481—Contact between the container and the lid on the inside or the outside of the container
    • B65D2543/0049—Contact between the container and the lid on the inside or the outside of the container on the inside, or a part turned to the inside of the mouth of the container
    • B65D2543/00509—Cup
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D2543/00—Lids or covers essentially for box-like containers
    • B65D2543/00009—Details of lids or covers for rigid or semi-rigid containers
    • B65D2543/00444—Contact between the container and the lid
    • B65D2543/00481—Contact between the container and the lid on the inside or the outside of the container
    • B65D2543/00537—Contact between the container and the lid on the inside or the outside of the container on the outside, or a part turned to the outside of the mouth of the container
    • B65D2543/00546—NO contact
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D2543/00—Lids or covers essentially for box-like containers
    • B65D2543/00009—Details of lids or covers for rigid or semi-rigid containers
    • B65D2543/00444—Contact between the container and the lid
    • B65D2543/00592—Snapping means
    • B65D2543/00601—Snapping means on the container
    • B65D2543/00611—Profiles
    • B65D2543/00648—Flange or lip
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D2543/00—Lids or covers essentially for box-like containers
    • B65D2543/00009—Details of lids or covers for rigid or semi-rigid containers
    • B65D2543/00444—Contact between the container and the lid
    • B65D2543/00592—Snapping means
    • B65D2543/00601—Snapping means on the container
    • B65D2543/00675—Periphery concerned
    • B65D2543/00685—Totality
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D2543/00—Lids or covers essentially for box-like containers
    • B65D2543/00009—Details of lids or covers for rigid or semi-rigid containers
    • B65D2543/00444—Contact between the container and the lid
    • B65D2543/00592—Snapping means
    • B65D2543/00712—Snapping means on the lid
    • B65D2543/00722—Profiles
    • B65D2543/00731—Groove or hollow bead
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D2543/00—Lids or covers essentially for box-like containers
    • B65D2543/00009—Details of lids or covers for rigid or semi-rigid containers
    • B65D2543/00444—Contact between the container and the lid
    • B65D2543/00592—Snapping means
    • B65D2543/00712—Snapping means on the lid
    • B65D2543/00787—Periphery concerned
    • B65D2543/00796—Totality
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D2543/00—Lids or covers essentially for box-like containers
    • B65D2543/00009—Details of lids or covers for rigid or semi-rigid containers
    • B65D2543/00824—Means for facilitating removing of the closure
    • B65D2543/00833—Integral tabs, tongues, handles or similar
    • B65D2543/00842—Integral tabs, tongues, handles or similar outside of the lid

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Cartons (AREA)
  • Packaging Of Machine Parts And Wound Products (AREA)
  • Closing Of Containers (AREA)
JP13239575A 1974-11-08 1975-11-04 Expired JPS5519822B2 (ja)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE7414033A SE400250B (sv) 1974-11-08 1974-11-08 Tragliknande forpackning, foretredesvis avsedd for matfett e d

Publications (2)

Publication Number Publication Date
JPS51103574A JPS51103574A (ja) 1976-09-13
JPS5519822B2 true JPS5519822B2 (ja) 1980-05-29

Family

ID=20322647

Family Applications (1)

Application Number Title Priority Date Filing Date
JP13239575A Expired JPS5519822B2 (ja) 1974-11-08 1975-11-04

Country Status (16)

Country Link
US (1) US4019675A (ja)
JP (1) JPS5519822B2 (ja)
BE (1) BE835055A (ja)
CA (1) CA1024119A (ja)
CH (1) CH598999A5 (ja)
DE (1) DE2545411A1 (ja)
DK (1) DK136145B (ja)
ES (1) ES216496Y (ja)
FI (1) FI753007A (ja)
FR (1) FR2290358A1 (ja)
GB (1) GB1500304A (ja)
IT (1) IT1043284B (ja)
NL (1) NL7512233A (ja)
NO (1) NO753716L (ja)
SE (1) SE400250B (ja)
ZA (1) ZA756379B (ja)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5956478U (ja) * 1982-10-06 1984-04-13 松下電器産業株式会社 電線結束具

Families Citing this family (36)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4190191A (en) * 1978-12-13 1980-02-26 Westvaco Corporation Sliding lid for flanged tray
US4260098A (en) * 1979-05-07 1981-04-07 Federal Paper Board Company, Inc. Tray container with reinforced sidewalls
US4312451A (en) * 1979-07-20 1982-01-26 Westvaco Corporation Self standing flanged tray with integral lid
US4351473A (en) * 1980-11-17 1982-09-28 Federal Paper Board Co., Inc. Tray container with tear out cover
US4308985A (en) * 1980-05-12 1982-01-05 Federal Paper Board Company, Inc. Tray container with reinforced sidewalls
FR2536723A1 (fr) * 1982-11-25 1984-06-01 Sauterot Drac Barquette pour le conditionnement de plats cuisines
US4631046A (en) * 1984-08-23 1986-12-23 Waldorf Corporation Bake in tray and method of forming a blank for the same
US5016813A (en) * 1990-03-01 1991-05-21 Simons Einar L E Fold-up container and construction method
US5326021A (en) * 1993-01-28 1994-07-05 Westvaco Corporation Rigid insulated food tray
US5419486A (en) * 1993-07-13 1995-05-30 Universal Packaging Corporation Multi-sided container
US5581047A (en) * 1994-02-03 1996-12-03 Orion Industries Incorporated Electromagnetic interference sheild
US5581049A (en) * 1994-04-13 1996-12-03 Orion Industries Incorporated Expanding joint for an initially substantially planar member
DE60219636T2 (de) * 2001-08-24 2007-12-27 Colpac Ltd. Lebensmittelbehälter
TW529603U (en) * 2002-06-10 2003-04-21 Wen-Chin Liou Paper made container structure having reinforced side wall
ATE415350T1 (de) * 2004-09-20 2008-12-15 Goglio Spa Faltschachtel und verfahren und vorrichtung zu dessen herstellung
US7597209B2 (en) * 2005-01-28 2009-10-06 International Holdings, Llc Multipurpose storage device and method
US7845508B2 (en) * 2005-01-28 2010-12-07 Rothschild Wayne H Multipurpose storage device and method
NL1028312C1 (nl) * 2005-02-17 2006-08-21 Kappa Zedek B V Serveerblad, bouwplaat, constructiewerkwijze en inrichting voor constructie.
JP2006290368A (ja) * 2005-04-06 2006-10-26 Toppan Printing Co Ltd 密封性を有する紙トレー
US20080210695A1 (en) * 2007-02-05 2008-09-04 Kevin Day Insulated folding trivet and method of use
US8079451B2 (en) 2007-09-05 2011-12-20 International Holdings Llc Convertible storage container
JP5507333B2 (ja) * 2010-05-13 2014-05-28 天満紙器株式会社 易展開容器
CN103402879B (zh) 2010-12-17 2019-07-05 科派克有限公司 容器和坯件
US9457929B2 (en) * 2011-07-26 2016-10-04 Pratt Corrugated Holdings, Inc. Leakage-resistant packaging
GB201122495D0 (en) 2011-12-29 2012-02-08 Colpac Ltd A container and blank
EP2684803B1 (de) * 2012-07-11 2014-09-10 Multivac Sepp Haggenmüller GmbH & Co. KG Verfahren zum Herstellen einer Verpackung
AU2014286923B2 (en) * 2013-07-05 2018-05-10 Visy R & D Pty Ltd Container for reducing deterioration of horticultural produce
GB2528134A (en) * 2014-07-11 2016-01-13 Colpac Ltd Film lidded tray
CA2925502A1 (en) * 2016-03-30 2017-09-30 9065-3395 Quebec Inc. Container and lid assembly
GB2550386A (en) * 2016-05-18 2017-11-22 Colpac Ltd Food container
US20230242301A1 (en) * 2020-05-12 2023-08-03 Moltzau Packaging As A cardboard box for holding content, and a method for using such
IT202000015487A1 (it) * 2020-06-26 2021-12-26 Rama S R L Vaschetta in un sol pezzo e metodo per la sua realizzazione
ES2932148A1 (es) * 2021-06-29 2023-01-13 Ulzama Packaging S L Envase de carton
FR3132084B1 (fr) * 2022-01-27 2024-10-11 Groupe Guillin Emballage à rebord de scellage d’un seul tenant réalisé à partir d’un flan en carton
CA3187933A1 (en) * 2022-07-20 2024-01-20 Juan Antonio HERRERO PEREZ RIOJA Container with independent reinforcement frame
AT525657B1 (de) * 2022-08-16 2023-06-15 Maistapack Gmbh Lebensmittelverpackung

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3018024A (en) * 1959-11-13 1962-01-23 American Can Co Container closure
US3021001A (en) * 1960-09-01 1962-02-13 Silver Creek Prec Corp Package for an individual portion
US3055540A (en) * 1961-02-09 1962-09-25 J E Plastics Mfg Corp N Container and closure therefor
SE329804B (ja) * 1967-05-17 1970-10-19 Sprinter Pack Ab
GB1247375A (en) * 1967-12-07 1971-09-22 Akerlund & Rausing Ab Improvements in and relating to cartons and blanks therefor
US3917155A (en) * 1972-03-02 1975-11-04 Robert P Bemiss Carton
CH562135A5 (ja) * 1973-02-20 1975-05-30 Tetra Pak Dev

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5956478U (ja) * 1982-10-06 1984-04-13 松下電器産業株式会社 電線結束具

Also Published As

Publication number Publication date
IT1043284B (it) 1980-02-20
SE7414033L (sv) 1976-05-10
DK475175A (ja) 1976-05-09
ES216496Y (es) 1976-12-16
FR2290358A1 (fr) 1976-06-04
NL7512233A (nl) 1976-05-11
FI753007A (ja) 1976-05-09
ZA756379B (en) 1976-09-29
DE2545411A1 (de) 1976-05-13
CH598999A5 (ja) 1978-05-12
GB1500304A (en) 1978-02-08
DK136145C (ja) 1978-01-23
ES216496U (es) 1976-08-01
SE400250B (sv) 1978-03-20
NO753716L (ja) 1976-05-11
DK136145B (da) 1977-08-22
US4019675A (en) 1977-04-26
JPS51103574A (ja) 1976-09-13
BE835055A (fr) 1976-02-16
CA1024119A (en) 1978-01-10

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