NL181521C - CONCRETE DUCT WITH AT LEAST ONE PIPE INSERTED IN IT. - Google Patents

CONCRETE DUCT WITH AT LEAST ONE PIPE INSERTED IN IT.

Info

Publication number
NL181521C
NL181521C NLAANVRAGE7905942,A NL181521DA NL181521C NL 181521 C NL181521 C NL 181521C NL 181521D A NL181521D A NL 181521DA NL 181521 C NL181521 C NL 181521C
Authority
NL
Netherlands
Prior art keywords
pipe inserted
concrete duct
duct
concrete
pipe
Prior art date
Application number
NLAANVRAGE7905942,A
Other languages
Dutch (nl)
Original Assignee
Stewing Albert
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 NL181521C publication Critical patent/NL181521C/en

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/06—Digital input from, or digital output to, record carriers, e.g. RAID, emulated record carriers or networked record carriers
    • G06F3/08—Digital input from, or digital output to, record carriers, e.g. RAID, emulated record carriers or networked record carriers from or to individual record carriers, e.g. punched card, memory card, integrated circuit [IC] card or smart card

Landscapes

  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Human Computer Interaction (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Knitting Machines (AREA)
  • Tests Of Electronic Circuits (AREA)
  • Tests Of Circuit Breakers, Generators, And Electric Motors (AREA)
  • Preliminary Treatment Of Fibers (AREA)
NLAANVRAGE7905942,A 1952-10-31 CONCRETE DUCT WITH AT LEAST ONE PIPE INSERTED IN IT. NL181521C (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB325309X 1952-10-31

Publications (1)

Publication Number Publication Date
NL181521C true NL181521C (en)

Family

ID=10340012

Family Applications (1)

Application Number Title Priority Date Filing Date
NLAANVRAGE7905942,A NL181521C (en) 1952-10-31 CONCRETE DUCT WITH AT LEAST ONE PIPE INSERTED IN IT.

Country Status (5)

Country Link
US (1) US2701686A (en)
CH (1) CH325309A (en)
FR (1) FR1088701A (en)
GB (1) GB731963A (en)
NL (1) NL181521C (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3182907A (en) * 1965-05-11 Business machine rack stopping mechanism
US2946850A (en) * 1957-09-04 1960-07-26 Sperry Rand Corp Decoding mechanism for multiple codes
US3904855A (en) * 1973-07-16 1975-09-09 Grosse Webereimaschinen Gmbh Read-in system for the control of card-punching machine, jacquard machines and the like
US3887792A (en) * 1973-12-04 1975-06-03 Scope Inc Method and device for reading and decoding a delta-distance code

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2045437A (en) * 1932-11-21 1936-06-23 Ibm Multiplying machine

Also Published As

Publication number Publication date
GB731963A (en) 1955-06-15
CH325309A (en) 1957-10-31
US2701686A (en) 1955-02-08
FR1088701A (en) 1955-03-09

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