NL24431C - - Google Patents

Info

Publication number
NL24431C
NL24431C NL24431DA NL24431C NL 24431 C NL24431 C NL 24431C NL 24431D A NL24431D A NL 24431DA NL 24431 C NL24431 C NL 24431C
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 NL24431C publication Critical patent/NL24431C/xx

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J9/00—Apparatus 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
    • H01J9/02—Manufacture of electrodes or electrode systems
    • H01J9/04—Manufacture of electrodes or electrode systems of thermionic cathodes
    • H01J9/042—Manufacture, activation of the emissive part
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B64—AIRCRAFT; AVIATION; COSMONAUTICS
    • B64C—AEROPLANES; HELICOPTERS
    • B64C25/00—Alighting gear
    • B64C25/32—Alighting gear characterised by elements which contact the ground or similar surface 
    • B64C25/38—Alighting gear characterised by elements which contact the ground or similar surface  endless-track type

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Manufacture Of Electron Tubes, Discharge Lamp Vessels, Lead-In Wires, And The Like (AREA)
NL24431D 1926-12-01 NL24431C (zh)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US281687XA 1926-12-01 1926-12-01

Publications (1)

Publication Number Publication Date
NL24431C true NL24431C (zh)

Family

ID=21841951

Family Applications (1)

Application Number Title Priority Date Filing Date
NL24431D NL24431C (zh) 1926-12-01

Country Status (2)

Country Link
GB (1) GB281687A (zh)
NL (1) NL24431C (zh)

Also Published As

Publication number Publication date
GB281687A (en) 1928-01-12

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