NL142247B - Fotografisch materiaal voor het zilverkleurstofbleekproces. - Google Patents

Fotografisch materiaal voor het zilverkleurstofbleekproces.

Info

Publication number
NL142247B
NL142247B NL63301600A NL142247DA NL142247B NL 142247 B NL142247 B NL 142247B NL 63301600 A NL63301600 A NL 63301600A NL 142247D A NL142247D A NL 142247DA NL 142247 B NL142247 B NL 142247B
Authority
NL
Netherlands
Prior art keywords
photographic material
bleaching process
silver dye
dye bleaching
silver
Prior art date
Application number
NL63301600A
Other languages
English (en)
Dutch (nl)
Original Assignee
Ciba Geigy
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.)
Publication of NL142247B publication Critical patent/NL142247B/xx

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J23/00—Details of transit-time tubes of the types covered by group H01J25/00
    • H01J23/16—Circuit elements, having distributed capacitance and inductance, structurally associated with the tube and interacting with the discharge
    • H01J23/24—Slow-wave structures, e.g. delay systems
    • H01J23/30—Damping arrangements associated with slow-wave structures, e.g. for suppression of unwanted oscillations
NL63301600A 1948-09-09 Fotografisch materiaal voor het zilverkleurstofbleekproces. NL142247B (nl)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL275641X 1948-09-09

Publications (1)

Publication Number Publication Date
NL142247B true NL142247B (nl)

Family

ID=19782117

Family Applications (2)

Application Number Title Priority Date Filing Date
NL63301600A NL142247B (nl) 1948-09-09 Fotografisch materiaal voor het zilverkleurstofbleekproces.
NL80722D NL80722C (de) 1948-09-09

Family Applications After (1)

Application Number Title Priority Date Filing Date
NL80722D NL80722C (de) 1948-09-09

Country Status (7)

Country Link
US (1) US2669674A (de)
BE (1) BE491016A (de)
CH (1) CH275641A (de)
DE (1) DE807518C (de)
FR (1) FR994736A (de)
GB (1) GB682515A (de)
NL (2) NL80722C (de)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2830220A (en) * 1950-06-29 1958-04-08 Gen Electric Traveling-wave tube
US2830219A (en) * 1950-06-29 1958-04-08 Gen Electric Traveling-wave tube
US2928979A (en) * 1951-09-08 1960-03-15 English Electric Valve Co Ltd Travelling-wave tube
US2750529A (en) * 1952-03-12 1956-06-12 Bell Telephone Labor Inc Electron discharge device
NL187903B (nl) * 1953-06-05 Mead Corp Inrichting voor het gespatieerd toevoeren van bekervormige houders.
NL191980A (de) * 1953-12-10
BE540343A (de) * 1954-08-05
NL200277A (de) * 1954-09-16
US2843733A (en) * 1955-05-23 1958-07-15 Sylvania Electric Prod Search receiver with traveling wave tube
US2930925A (en) * 1956-04-04 1960-03-29 Hughes Aircraft Co Spurious mode suppressor for backwardwave oscillators
US2890369A (en) * 1956-10-02 1959-06-09 Sylvania Electric Prod Attenuator
US2951999A (en) * 1958-04-21 1960-09-06 Itt Constant impedance attenuator
DE1541040B1 (de) * 1966-05-16 1971-08-26 Siemens Ag Wanderfeldroehre mit zwei den hochfrequenzeingang und aus gang der roehre fildenden aeusseren wellenleitern

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2197123A (en) * 1937-06-18 1940-04-16 Bell Telephone Labor Inc Guided wave transmission
NL62817C (de) * 1940-05-04
BE472484A (de) * 1945-03-12
BE469122A (de) * 1946-01-11 Western Electric Co
FR954564A (de) * 1946-10-22 1950-01-03
US2541843A (en) * 1947-07-18 1951-02-13 Philco Corp Electronic tube of the traveling wave type
US2585582A (en) * 1949-07-07 1952-02-12 Bell Telephone Labor Inc Electron gun

Also Published As

Publication number Publication date
GB682515A (en) 1952-11-12
NL80722C (de)
US2669674A (en) 1954-02-16
CH275641A (de) 1951-05-31
FR994736A (fr) 1951-11-21
DE807518C (de) 1951-06-28
BE491016A (de)

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