NL55280C - - Google Patents

Info

Publication number
NL55280C
NL55280C NL55280DA NL55280C NL 55280 C NL55280 C NL 55280C NL 55280D A NL55280D A NL 55280DA NL 55280 C NL55280 C NL 55280C
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 of NL55280C publication Critical patent/NL55280C/xx

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01BNON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B21/00Nitrogen; Compounds thereof
    • C01B21/082Compounds containing nitrogen and non-metals and optionally metals

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Lead Frames For Integrated Circuits (AREA)
NL55280D 1937-05-05 NL55280C (en:Method)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US140833A US2211093A (en) 1937-05-05 1937-05-05 Statistical card punch

Publications (1)

Publication Number Publication Date
NL55280C true NL55280C (en:Method)

Family

ID=22492980

Family Applications (1)

Application Number Title Priority Date Filing Date
NL55280D NL55280C (en:Method) 1937-05-05

Country Status (4)

Country Link
US (1) US2211093A (en:Method)
BE (1) BE425577A (en:Method)
GB (1) GB510910A (en:Method)
NL (1) NL55280C (en:Method)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2515012A (en) * 1946-02-23 1950-07-11 William R Kreider Means to punch any card of a predetermined value within a group of cards
NL158805B (nl) * 1950-02-02 Boehringer Mannheim Gmbh Werkwijze voor het binden van in water oplosbare eiwitten aan dragers, aldus verkregen kolommen en andere voorwerpen, alsmede een werkwijze voor de toepassing daarvan.
DE859071C (de) * 1950-02-19 1952-12-11 Ibm Deutschland Speichereinrichtung fuer Lochkartenmaschinen

Also Published As

Publication number Publication date
US2211093A (en) 1940-08-13
BE425577A (en:Method)
GB510910A (en) 1939-08-10

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