FR811734A - Improvements in methods of treating metal surfaces - Google Patents

Improvements in methods of treating metal surfaces

Info

Publication number
FR811734A
FR811734A FR811734DA FR811734A FR 811734 A FR811734 A FR 811734A FR 811734D A FR811734D A FR 811734DA FR 811734 A FR811734 A FR 811734A
Authority
FR
France
Prior art keywords
methods
metal surfaces
treating metal
treating
metal
Prior art date
Legal status (The legal status 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 status listed.)
Expired
Application number
Other languages
French (fr)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Compagnie Francaise Thomson Houston SA
Original Assignee
Compagnie Francaise Thomson Houston SA
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.)
Filing date
Publication date
Application filed by Compagnie Francaise Thomson Houston SA filed Critical Compagnie Francaise Thomson Houston SA
Application granted granted Critical
Publication of FR811734A publication Critical patent/FR811734A/en
Expired legal-status Critical Current

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

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
FR811734D 1936-10-01 1936-10-01 Improvements in methods of treating metal surfaces Expired FR811734A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US811734XA 1936-10-01 1936-10-01

Publications (1)

Publication Number Publication Date
FR811734A true FR811734A (en) 1937-04-21

Family

ID=22162544

Family Applications (1)

Application Number Title Priority Date Filing Date
FR811734D Expired FR811734A (en) 1936-10-01 1936-10-01 Improvements in methods of treating metal surfaces

Country Status (1)

Country Link
FR (1) FR811734A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109990212A (en) * 2019-03-19 2019-07-09 江苏浩明光电科技股份有限公司 LED filament lamp driving plate is automatically loaded welding mechanism silk device
CN110067951A (en) * 2019-04-09 2019-07-30 江苏浩明光电科技股份有限公司 LED filament lamp assembly machine blister automatic filament-arranging device

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109990212A (en) * 2019-03-19 2019-07-09 江苏浩明光电科技股份有限公司 LED filament lamp driving plate is automatically loaded welding mechanism silk device
CN110067951A (en) * 2019-04-09 2019-07-30 江苏浩明光电科技股份有限公司 LED filament lamp assembly machine blister automatic filament-arranging device

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