FR701999A - Improvements to switching devices - Google Patents

Improvements to switching devices

Info

Publication number
FR701999A
FR701999A FR701999DA FR701999A FR 701999 A FR701999 A FR 701999A FR 701999D A FR701999D A FR 701999DA FR 701999 A FR701999 A FR 701999A
Authority
FR
France
Prior art keywords
switching devices
switching
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)
Inventor
Max Bock
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 FR701999A publication Critical patent/FR701999A/en
Expired legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01HELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H29/00Switches having at least one liquid contact
    • H01H29/16Switches having at least one liquid contact operated by dipping soil contact into stationary contact liquid
FR701999D 1930-02-09 1930-09-15 Improvements to switching devices Expired FR701999A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE542792T 1930-02-09

Publications (1)

Publication Number Publication Date
FR701999A true FR701999A (en) 1931-03-26

Family

ID=34258077

Family Applications (1)

Application Number Title Priority Date Filing Date
FR701999D Expired FR701999A (en) 1930-02-09 1930-09-15 Improvements to switching devices

Country Status (3)

Country Link
DE (1) DE542792C (en)
FR (1) FR701999A (en)
GB (1) GB353753A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19755003A1 (en) * 1997-12-11 1999-06-17 Nils Buer Filling level measuring unit for liquid levels

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE744761C (en) * 1940-02-17 1944-01-24 Siemens Ag Changeover switch for the currentless initiation of switching processes, in particular driving and braking processes in electric vehicles

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19755003A1 (en) * 1997-12-11 1999-06-17 Nils Buer Filling level measuring unit for liquid levels

Also Published As

Publication number Publication date
DE542792C (en) 1932-01-28
GB353753A (en) 1931-07-30

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