NL33136C - - Google Patents

Info

Publication number
NL33136C
NL33136C NL33136DA NL33136C NL 33136 C NL33136 C NL 33136C NL 33136D A NL33136D A NL 33136DA NL 33136 C NL33136 C NL 33136C
Authority
NL
Netherlands
Application number
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 date
Application granted granted Critical
Publication of NL33136C publication Critical patent/NL33136C/xx

Links

Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01JELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J9/00Apparatus or processes specially adapted for the manufacture, installation, removal, maintenance of electric discharge tubes, discharge lamps, or parts thereof; Recovery of material from discharge tubes or lamps
    • H01J9/42Measurement or testing during manufacture
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01MTESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
    • G01M3/00Investigating fluid-tightness of structures
    • G01M3/40Investigating fluid-tightness of structures by using electric means, e.g. by observing electric discharges

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Investigating, Analyzing Materials By Fluorescence Or Luminescence (AREA)
  • Medical Preparation Storing Or Oral Administration Devices (AREA)
  • Joining Of Glass To Other Materials (AREA)
NL33136D 1930-08-11 NL33136C (en:Method)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE375123X 1930-08-11

Publications (1)

Publication Number Publication Date
NL33136C true NL33136C (en:Method) 1934-02-15

Family

ID=6344020

Family Applications (1)

Application Number Title Priority Date Filing Date
NL33136D NL33136C (en:Method) 1930-08-11

Country Status (4)

Country Link
US (1) US1917465A (en:Method)
FR (1) FR721206A (en:Method)
GB (1) GB375123A (en:Method)
NL (1) NL33136C (en:Method)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2734628A (en) * 1956-02-14 schlayer
US2519807A (en) * 1944-10-10 1950-08-22 Max L Yeater Ionization pressure gauge
US2633486A (en) * 1950-04-29 1953-03-31 Gen Electric Apparatus for glow testing sealed envelopes
US2725525A (en) * 1951-03-13 1955-11-29 Westinghouse Electric Corp Testing apparatus
US3153190A (en) * 1959-12-11 1964-10-13 Rca Corp Method of testing and controlling the gettering of electron tubes during manufacture

Also Published As

Publication number Publication date
FR721206A (fr) 1932-03-01
GB375123A (en) 1932-06-23
US1917465A (en) 1933-07-11

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