JPS4829420A - - Google Patents
Info
- Publication number
- JPS4829420A JPS4829420A JP46062889A JP6288971A JPS4829420A JP S4829420 A JPS4829420 A JP S4829420A JP 46062889 A JP46062889 A JP 46062889A JP 6288971 A JP6288971 A JP 6288971A JP S4829420 A JPS4829420 A JP S4829420A
- 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.)
- Pending
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R17/00—Piezoelectric transducers; Electrostrictive transducers
- H04R17/005—Piezoelectric transducers; Electrostrictive transducers using a piezoelectric polymer
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B06—GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS IN GENERAL
- B06B—METHODS OR APPARATUS FOR GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS OF INFRASONIC, SONIC, OR ULTRASONIC FREQUENCY, e.g. FOR PERFORMING MECHANICAL WORK IN GENERAL
- B06B1/00—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency
- B06B1/02—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of electrical energy
- B06B1/06—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of electrical energy operating with piezoelectric effect or with electrostriction
- B06B1/0688—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of electrical energy operating with piezoelectric effect or with electrostriction with foil-type piezoelectric elements, e.g. PVDF
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S310/00—Electrical generator or motor structure
- Y10S310/80—Piezoelectric polymers, e.g. PVDF
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Mechanical Engineering (AREA)
- Piezo-Electric Transducers For Audible Bands (AREA)
- Transducers For Ultrasonic Waves (AREA)
- Electrostatic, Electromagnetic, Magneto- Strictive, And Variable-Resistance Transducers (AREA)
Priority Applications (7)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP46062889A JPS4829420A (US06811534-20041102-M00003.png) | 1971-08-20 | 1971-08-20 | |
CA149,819A CA971288A (en) | 1971-08-20 | 1972-08-17 | Piezoelectric-type electroacoustic transducer |
NL7211367.A NL163700C (nl) | 1971-08-20 | 1972-08-18 | Elektro-akoestische omzetter van het piezo-elektrische type. |
GB3875572A GB1361371A (en) | 1971-08-20 | 1972-08-18 | Piezoelectric electroacoustic transducer |
US05/281,682 US3947644A (en) | 1971-08-20 | 1972-08-18 | Piezoelectric-type electroacoustic transducer |
FR7229669A FR2151314A5 (US06811534-20041102-M00003.png) | 1971-08-20 | 1972-08-18 | |
DE19722240923 DE2240923C3 (de) | 1971-08-20 | 1972-08-19 | Piezoelektrischer, elektroakustischer Wandler |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP46062889A JPS4829420A (US06811534-20041102-M00003.png) | 1971-08-20 | 1971-08-20 |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS4829420A true JPS4829420A (US06811534-20041102-M00003.png) | 1973-04-19 |
Family
ID=13213252
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP46062889A Pending JPS4829420A (US06811534-20041102-M00003.png) | 1971-08-20 | 1971-08-20 |
Country Status (6)
Cited By (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS50117412A (US06811534-20041102-M00003.png) * | 1974-02-18 | 1975-09-13 | ||
JPS50137123A (US06811534-20041102-M00003.png) * | 1974-04-17 | 1975-10-31 | ||
JPS5126524A (ja) * | 1974-08-29 | 1976-03-04 | Nippon Telegraph & Telephone | Atsudengatadenkionkyohenkanki |
JPS5129124A (en) * | 1974-09-05 | 1976-03-12 | Pioneer Electronic Corp | Denki onkyohenkanki |
JPS5257818A (en) * | 1975-11-07 | 1977-05-12 | Matsushita Electric Ind Co Ltd | Electroacoustic transduction element |
JPS5339114A (en) * | 1976-09-21 | 1978-04-10 | Int Standard Electric Corp | Electroacoustic transducer |
JPS5530244A (en) * | 1978-08-24 | 1980-03-04 | Nec Corp | Sound transmitter-receiver |
JPS5570200A (en) * | 1979-10-29 | 1980-05-27 | Kureha Chem Ind Co Ltd | Piezoelectric electro-acoustic converter |
JPS61284199A (ja) * | 1985-06-10 | 1986-12-15 | Nippon Atsudenki Kk | ヘツドホン |
JP2003515919A (ja) * | 1999-11-25 | 2003-05-07 | ナチュラル カラー カリ キルヤヴァイネン オーワイ | 電気機械フィルムおよび音響要素 |
JP2011528546A (ja) * | 2008-07-18 | 2011-11-17 | エージェンシー フォー ディフェンス デベロップメント | 電気機械変換器及びその製造方法 |
WO2013145411A1 (ja) * | 2012-03-30 | 2013-10-03 | 東海ゴム工業株式会社 | スピーカー |
WO2013175662A1 (ja) * | 2012-05-24 | 2013-11-28 | 東海ゴム工業株式会社 | スピーカー |
JP2017017703A (ja) * | 2015-06-29 | 2017-01-19 | 富士フイルム株式会社 | 電気音響変換器 |
Families Citing this family (85)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1515287A (en) * | 1974-05-30 | 1978-06-21 | Plessey Co Ltd | Piezoelectric transducers |
DE2649771C3 (de) * | 1976-10-29 | 1979-11-22 | Oskar 8032 Graefelfing Heil | Lautsprecher |
NL7703836A (nl) * | 1977-04-07 | 1977-06-30 | Philips Nv | Een membraan bestaande uit tenminste een folie van een piezoelektrisch polymeermateriaal. |
AT375466B (de) * | 1977-07-27 | 1984-08-10 | List Hans | Messwertaufnehmer mit einem piezoelektrischen messelement |
US4166229A (en) * | 1978-02-23 | 1979-08-28 | The United States Of America As Represented By The Secretary Of The Navy | Piezoelectric polymer membrane stress gage |
FR2521380B2 (fr) * | 1980-02-22 | 1987-11-27 | Lectret Sa | Transducteur acoustique |
US4295010A (en) * | 1980-02-22 | 1981-10-13 | Lectret S.A. | Plural piezoelectric polymer film acoustic transducer |
FR2521381B2 (fr) * | 1980-02-22 | 1987-11-27 | Lectret Sa | Transducteur acoustique |
FR2477822A1 (fr) * | 1980-03-04 | 1981-09-11 | Thomson Csf | Transducteur electromecanique a suspension active et son procede de fabrication |
DE3267853D1 (en) * | 1981-02-06 | 1986-01-23 | Emi Ltd | Device sensitive to pressure waves |
US4425526A (en) * | 1981-10-29 | 1984-01-10 | The Perkin-Elmer Corp. | Method of making electrical connections to thin film coatings and the electrical connector formed thereby |
US4536862A (en) * | 1982-05-24 | 1985-08-20 | Texas Instruments Incorporated | Seismic cable assembly having improved transducers |
GB2153627B (en) * | 1984-02-02 | 1988-04-20 | Plessey Co Plc | Piezoelectric electroacoustic transducer |
US4654546A (en) * | 1984-11-20 | 1987-03-31 | Kari Kirjavainen | Electromechanical film and procedure for manufacturing same |
US4843275A (en) * | 1988-01-19 | 1989-06-27 | Pennwalt Corporation | Air buoyant piezoelectric polymeric film microphone |
US5115472A (en) * | 1988-10-07 | 1992-05-19 | Park Kyung T | Electroacoustic novelties |
US5185549A (en) * | 1988-12-21 | 1993-02-09 | Steven L. Sullivan | Dipole horn piezoelectric electro-acoustic transducer design |
FR2651633B1 (fr) * | 1989-09-01 | 1992-04-30 | Thomson Consumer Electronics | Element et dispositifs de transducteurs electroacoustiques a bimorphe de polymere piezoelectrique notamment pour la realisation d'un haut-parleur a diagramme de rayonnement de type lineaire. |
NZ243294A (en) * | 1991-06-25 | 1995-04-27 | Commw Scient Ind Res Org | Time of flight of acoustic wave packets through fluid: reduction of higher order acoustic mode effects |
EP0711096A4 (en) * | 1994-05-20 | 1999-09-22 | Shinsei Corp | TONER GENERATION DEVICE |
FR2733831B1 (fr) * | 1995-05-04 | 1997-06-20 | Inst Francais Du Petrole | Capteur de vibrations |
US5901231A (en) * | 1995-09-25 | 1999-05-04 | Noise Cancellation Technologies, Inc. | Piezo speaker for improved passenger cabin audio systems |
GB9525238D0 (en) * | 1995-12-09 | 1996-02-07 | Greenberg Marc A | Sound reproduction device |
US6215221B1 (en) * | 1998-12-29 | 2001-04-10 | Honeywell International Inc. | Electrostatic/pneumatic actuators for active surfaces |
US6438242B1 (en) * | 1999-09-07 | 2002-08-20 | The United States Of America As Represented By The Secretary Of The Navy | Acoustic transducer panel |
US6349141B1 (en) * | 2000-03-03 | 2002-02-19 | The United States Of America As Represented By The Secretary Of The Navy | Dual bi-laminate polymer audio transducer |
AU2001240037A1 (en) * | 2000-03-03 | 2001-09-17 | The Government Of The United States As Represented By The Secretary Of The Navy | Dual bi-laminate polymer audio transducer |
US6568286B1 (en) | 2000-06-02 | 2003-05-27 | Honeywell International Inc. | 3D array of integrated cells for the sampling and detection of air bound chemical and biological species |
US7420659B1 (en) * | 2000-06-02 | 2008-09-02 | Honeywell Interantional Inc. | Flow control system of a cartridge |
US6837476B2 (en) | 2002-06-19 | 2005-01-04 | Honeywell International Inc. | Electrostatically actuated valve |
US7000330B2 (en) * | 2002-08-21 | 2006-02-21 | Honeywell International Inc. | Method and apparatus for receiving a removable media member |
US7039206B2 (en) * | 2001-06-28 | 2006-05-02 | Nokia Corporation | Dual diaphragm speaker |
US6729856B2 (en) | 2001-10-09 | 2004-05-04 | Honeywell International Inc. | Electrostatically actuated pump with elastic restoring forces |
NO20021666A (no) * | 2002-04-08 | 2003-04-07 | Meditron Asa | Piezoelektrisk vibrasjonssensor |
US6798122B1 (en) * | 2002-11-05 | 2004-09-28 | The United States Of America As Represented By The Secretary Of The Navy | Lightweight underwater acoustic projector |
CN1830020A (zh) * | 2003-05-29 | 2006-09-06 | 理音株式会社 | 隔音、吸音构造体及应用了该构造体的构造物 |
EP1644639B1 (en) * | 2003-06-30 | 2009-02-11 | Nxp B.V. | Device for generating sound by means of a medium stream generated |
US20060134510A1 (en) * | 2004-12-21 | 2006-06-22 | Cleopatra Cabuz | Air cell air flow control system and method |
US7222639B2 (en) * | 2004-12-29 | 2007-05-29 | Honeywell International Inc. | Electrostatically actuated gas valve |
US7328882B2 (en) * | 2005-01-06 | 2008-02-12 | Honeywell International Inc. | Microfluidic modulating valve |
US7445017B2 (en) * | 2005-01-28 | 2008-11-04 | Honeywell International Inc. | Mesovalve modulator |
US7915789B2 (en) * | 2005-03-21 | 2011-03-29 | Bayer Materialscience Ag | Electroactive polymer actuated lighting |
US8148874B2 (en) * | 2005-04-15 | 2012-04-03 | University Of Florida Research Foundation, Inc. | Microactuator having multiple degrees of freedom |
US7320338B2 (en) * | 2005-06-03 | 2008-01-22 | Honeywell International Inc. | Microvalve package assembly |
US7517201B2 (en) * | 2005-07-14 | 2009-04-14 | Honeywell International Inc. | Asymmetric dual diaphragm pump |
US7446459B2 (en) * | 2005-07-14 | 2008-11-04 | National Institute Of Aerospace Associates | Hybrid piezoelectric energy harvesting transducer system |
US20070051415A1 (en) * | 2005-09-07 | 2007-03-08 | Honeywell International Inc. | Microvalve switching array |
US7624755B2 (en) * | 2005-12-09 | 2009-12-01 | Honeywell International Inc. | Gas valve with overtravel |
US7523762B2 (en) * | 2006-03-22 | 2009-04-28 | Honeywell International Inc. | Modulating gas valves and systems |
US8007704B2 (en) * | 2006-07-20 | 2011-08-30 | Honeywell International Inc. | Insert molded actuator components |
US20080099082A1 (en) * | 2006-10-27 | 2008-05-01 | Honeywell International Inc. | Gas valve shutoff seal |
US7644731B2 (en) * | 2006-11-30 | 2010-01-12 | Honeywell International Inc. | Gas valve with resilient seat |
JP5602626B2 (ja) | 2007-06-29 | 2014-10-08 | アーティフィシャル マッスル,インク. | 感覚性フィードバック用途のための電気活性ポリマートランスデューサー |
WO2009058759A2 (en) * | 2007-10-29 | 2009-05-07 | Humdinger Wind Energy Llc | Energy converter with transducers for converting fluid-induced movements or stress to electricity |
EP2239793A1 (de) | 2009-04-11 | 2010-10-13 | Bayer MaterialScience AG | Elektrisch schaltbarer Polymerfilmaufbau und dessen Verwendung |
KR20140008416A (ko) | 2011-03-01 | 2014-01-21 | 바이엘 인텔렉쳐 프로퍼티 게엠베하 | 변형가능한 중합체 장치 및 필름을 제조하기 위한 자동화 제조 방법 |
WO2012129357A2 (en) | 2011-03-22 | 2012-09-27 | Bayer Materialscience Ag | Electroactive polymer actuator lenticular system |
DE102011114471B4 (de) | 2011-09-28 | 2013-05-08 | Eads Deutschland Gmbh | Membrananordnung zur Schallerzeugung |
US9557059B2 (en) | 2011-12-15 | 2017-01-31 | Honeywell International Inc | Gas valve with communication link |
US8947242B2 (en) | 2011-12-15 | 2015-02-03 | Honeywell International Inc. | Gas valve with valve leakage test |
US9846440B2 (en) | 2011-12-15 | 2017-12-19 | Honeywell International Inc. | Valve controller configured to estimate fuel comsumption |
US8905063B2 (en) | 2011-12-15 | 2014-12-09 | Honeywell International Inc. | Gas valve with fuel rate monitor |
US9995486B2 (en) | 2011-12-15 | 2018-06-12 | Honeywell International Inc. | Gas valve with high/low gas pressure detection |
US9851103B2 (en) | 2011-12-15 | 2017-12-26 | Honeywell International Inc. | Gas valve with overpressure diagnostics |
US9835265B2 (en) | 2011-12-15 | 2017-12-05 | Honeywell International Inc. | Valve with actuator diagnostics |
US8899264B2 (en) | 2011-12-15 | 2014-12-02 | Honeywell International Inc. | Gas valve with electronic proof of closure system |
US9074770B2 (en) | 2011-12-15 | 2015-07-07 | Honeywell International Inc. | Gas valve with electronic valve proving system |
US8839815B2 (en) | 2011-12-15 | 2014-09-23 | Honeywell International Inc. | Gas valve with electronic cycle counter |
US9980054B2 (en) | 2012-02-17 | 2018-05-22 | Acoustic Vision, Llc | Stereophonic focused hearing |
US9161113B1 (en) * | 2012-02-17 | 2015-10-13 | Elvin Fenton | Transparent lens microphone |
CN104185449B (zh) * | 2012-03-07 | 2016-08-24 | 瑞典计算机医疗技术有限公司 | 传感器和听诊器 |
WO2013142552A1 (en) | 2012-03-21 | 2013-09-26 | Bayer Materialscience Ag | Roll-to-roll manufacturing processes for producing self-healing electroactive polymer devices |
WO2013192143A1 (en) | 2012-06-18 | 2013-12-27 | Bayer Intellectual Property Gmbh | Stretch frame for stretching process |
US10422531B2 (en) | 2012-09-15 | 2019-09-24 | Honeywell International Inc. | System and approach for controlling a combustion chamber |
US9234661B2 (en) | 2012-09-15 | 2016-01-12 | Honeywell International Inc. | Burner control system |
WO2014066576A1 (en) | 2012-10-24 | 2014-05-01 | Bayer Intellectual Property Gmbh | Polymer diode |
CN103347238B (zh) * | 2013-06-27 | 2016-11-16 | 深圳市豪恩声学股份有限公司 | 压电驻极体薄膜的叠层结构及传声器 |
EP2868970B1 (en) | 2013-10-29 | 2020-04-22 | Honeywell Technologies Sarl | Regulating device |
US10024439B2 (en) | 2013-12-16 | 2018-07-17 | Honeywell International Inc. | Valve over-travel mechanism |
US9841122B2 (en) | 2014-09-09 | 2017-12-12 | Honeywell International Inc. | Gas valve with electronic valve proving system |
US9645584B2 (en) | 2014-09-17 | 2017-05-09 | Honeywell International Inc. | Gas valve with electronic health monitoring |
US10503181B2 (en) | 2016-01-13 | 2019-12-10 | Honeywell International Inc. | Pressure regulator |
US10564062B2 (en) | 2016-10-19 | 2020-02-18 | Honeywell International Inc. | Human-machine interface for gas valve |
US11073281B2 (en) | 2017-12-29 | 2021-07-27 | Honeywell International Inc. | Closed-loop programming and control of a combustion appliance |
US10697815B2 (en) | 2018-06-09 | 2020-06-30 | Honeywell International Inc. | System and methods for mitigating condensation in a sensor module |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3030606A (en) * | 1953-03-19 | 1962-04-17 | Wilbur T Harris | Hollow conical electromechanical transducer |
US2834952A (en) * | 1953-03-19 | 1958-05-13 | Wilbur T Harris | Transducer |
US2895062A (en) * | 1955-12-22 | 1959-07-14 | Frank R Abbott | Broad band electroacoustic transducer |
DE1096095B (de) * | 1957-08-22 | 1960-12-29 | Siemens Ag | Piezoelektrischer Biegeschwinger aus polykristallinem, dielektrischem Werkstoff |
US3225226A (en) * | 1961-09-08 | 1965-12-21 | Toko Radio Coil Kenkyusho Kk | Electrical vibrator |
US3153156A (en) * | 1962-05-17 | 1964-10-13 | Frank W Watlington | Pressure-proof ceramic transducer |
DE1967130C2 (de) * | 1968-01-25 | 1982-04-01 | Pioneer Electronic Corp., Tokyo | Mechanisch-elektrisch bzw. elektrisch-mechanischer Wandler |
US3586889A (en) * | 1968-11-04 | 1971-06-22 | Gco | Means for resiliently mounting transducer elements between a housing and an inertial mass |
US3676722A (en) * | 1969-10-06 | 1972-07-11 | Motorola Inc | Structure for bimorph or monomorph benders |
JPS4926890B1 (US06811534-20041102-M00003.png) * | 1970-12-04 | 1974-07-12 | ||
US3749948A (en) * | 1971-06-21 | 1973-07-31 | Seismic Logs | Pressure transducer |
-
1971
- 1971-08-20 JP JP46062889A patent/JPS4829420A/ja active Pending
-
1972
- 1972-08-17 CA CA149,819A patent/CA971288A/en not_active Expired
- 1972-08-18 US US05/281,682 patent/US3947644A/en not_active Expired - Lifetime
- 1972-08-18 FR FR7229669A patent/FR2151314A5/fr not_active Expired
- 1972-08-18 GB GB3875572A patent/GB1361371A/en not_active Expired
- 1972-08-18 NL NL7211367.A patent/NL163700C/xx not_active IP Right Cessation
Cited By (20)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS50117412A (US06811534-20041102-M00003.png) * | 1974-02-18 | 1975-09-13 | ||
JPS50137123A (US06811534-20041102-M00003.png) * | 1974-04-17 | 1975-10-31 | ||
JPS5126524A (ja) * | 1974-08-29 | 1976-03-04 | Nippon Telegraph & Telephone | Atsudengatadenkionkyohenkanki |
JPS5837760B2 (ja) * | 1974-09-05 | 1983-08-18 | パイオニア株式会社 | デンキ − オンキヨウヘンカンキ |
JPS5129124A (en) * | 1974-09-05 | 1976-03-12 | Pioneer Electronic Corp | Denki onkyohenkanki |
JPS5257818A (en) * | 1975-11-07 | 1977-05-12 | Matsushita Electric Ind Co Ltd | Electroacoustic transduction element |
JPS5339114A (en) * | 1976-09-21 | 1978-04-10 | Int Standard Electric Corp | Electroacoustic transducer |
JPS5546400U (US06811534-20041102-M00003.png) * | 1976-09-21 | 1980-03-26 | ||
JPS5530244A (en) * | 1978-08-24 | 1980-03-04 | Nec Corp | Sound transmitter-receiver |
JPS5570200A (en) * | 1979-10-29 | 1980-05-27 | Kureha Chem Ind Co Ltd | Piezoelectric electro-acoustic converter |
JPS579280B2 (US06811534-20041102-M00003.png) * | 1979-10-29 | 1982-02-20 | ||
JPS61284199A (ja) * | 1985-06-10 | 1986-12-15 | Nippon Atsudenki Kk | ヘツドホン |
JP2003515919A (ja) * | 1999-11-25 | 2003-05-07 | ナチュラル カラー カリ キルヤヴァイネン オーワイ | 電気機械フィルムおよび音響要素 |
JP2011528546A (ja) * | 2008-07-18 | 2011-11-17 | エージェンシー フォー ディフェンス デベロップメント | 電気機械変換器及びその製造方法 |
WO2013145411A1 (ja) * | 2012-03-30 | 2013-10-03 | 東海ゴム工業株式会社 | スピーカー |
JPWO2013145411A1 (ja) * | 2012-03-30 | 2015-12-10 | 住友理工株式会社 | スピーカー |
US9288583B2 (en) | 2012-03-30 | 2016-03-15 | Sumitomo Riko Company Limited | Speaker |
WO2013175662A1 (ja) * | 2012-05-24 | 2013-11-28 | 東海ゴム工業株式会社 | スピーカー |
JPWO2013175662A1 (ja) * | 2012-05-24 | 2016-01-12 | 住友理工株式会社 | スピーカー |
JP2017017703A (ja) * | 2015-06-29 | 2017-01-19 | 富士フイルム株式会社 | 電気音響変換器 |
Also Published As
Publication number | Publication date |
---|---|
NL163700C (nl) | 1980-09-15 |
DE2240923B2 (de) | 1977-01-20 |
US3947644A (en) | 1976-03-30 |
DE2240923A1 (de) | 1973-03-22 |
GB1361371A (en) | 1974-07-24 |
NL163700B (nl) | 1980-04-15 |
CA971288A (en) | 1975-07-15 |
FR2151314A5 (US06811534-20041102-M00003.png) | 1973-04-13 |
NL7211367A (US06811534-20041102-M00003.png) | 1973-02-22 |