NL67422C - - Google Patents

Info

Publication number
NL67422C
NL67422C NL137879A NL137879A NL67422C NL 67422 C NL67422 C NL 67422C NL 137879 A NL137879 A NL 137879A NL 137879 A NL137879 A NL 137879A NL 67422 C NL67422 C NL 67422C
Authority
NL
Netherlands
Application number
NL137879A
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 filed Critical
Application granted granted Critical
Publication of NL67422C publication Critical patent/NL67422C/xx

Links

Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H7/00—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions
    • H02H7/005—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for remote controlled apparatus; for lines connecting such apparatus
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47B—TABLES; DESKS; OFFICE FURNITURE; CABINETS; DRAWERS; GENERAL DETAILS OF FURNITURE
    • A47B2220/00—General furniture construction, e.g. fittings
    • A47B2220/11—Tripod parts
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
    • F16B12/00—Jointing of furniture or the like, e.g. hidden from exterior
    • F16B12/44—Leg joints; Corner joints
    • F16B2012/443—Leg joints; Corner joints with two-dimensional corner element, the legs thereof being inserted in hollow frame members
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
    • F16B12/00—Jointing of furniture or the like, e.g. hidden from exterior
    • F16B12/44—Leg joints; Corner joints
    • F16B2012/446—Leg joints; Corner joints with three-dimensional corner element, the legs thereof being inserted in hollow frame members
NL137879A 1941-05-26 1947-12-30 NL67422C (zh)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB673441A GB549679A (en) 1941-05-26 1941-05-26 Improvements in or relating to control and protective systems for electrical apparatus

Publications (1)

Publication Number Publication Date
NL67422C true NL67422C (zh) 1951-02-15

Family

ID=37872326

Family Applications (1)

Application Number Title Priority Date Filing Date
NL137879A NL67422C (zh) 1941-05-26 1947-12-30

Country Status (3)

Country Link
FR (1) FR932451A (zh)
GB (1) GB549679A (zh)
NL (1) NL67422C (zh)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2974261A (en) * 1957-09-24 1961-03-07 Lacheur Angus Guild Le Intrinsically safe switching system
GB2128047B (en) * 1982-10-05 1986-10-08 Northern Eng Ind Earth leakage monitor & earth proving apparatus

Also Published As

Publication number Publication date
GB549679A (en) 1942-12-02
FR932451A (fr) 1948-03-23

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