FR475223A - Improvements to lighthouses and similar devices - Google Patents

Improvements to lighthouses and similar devices

Info

Publication number
FR475223A
FR475223A FR475223DA FR475223A FR 475223 A FR475223 A FR 475223A FR 475223D A FR475223D A FR 475223DA FR 475223 A FR475223 A FR 475223A
Authority
FR
France
Prior art keywords
lighthouses
similar devices
similar
devices
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.)
NARJOT ET CIE SOC
Original Assignee
NARJOT ET CIE SOC
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 NARJOT ET CIE SOC filed Critical NARJOT ET CIE SOC
Application granted granted Critical
Publication of FR475223A publication Critical patent/FR475223A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01K—ELECTRIC INCANDESCENT LAMPS
    • H01K9/00—Lamps having two or more incandescent bodies separately heated
FR475223D 1914-01-29 1914-01-29 Improvements to lighthouses and similar devices Expired FR475223A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR475223T 1914-01-29

Publications (1)

Publication Number Publication Date
FR475223A true FR475223A (en) 1915-04-26

Family

ID=1513138

Family Applications (1)

Application Number Title Priority Date Filing Date
FR475223D Expired FR475223A (en) 1914-01-29 1914-01-29 Improvements to lighthouses and similar devices

Country Status (1)

Country Link
FR (1) FR475223A (en)

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