NL143758B - MODULATION SWITCH. - Google Patents

MODULATION SWITCH.

Info

Publication number
NL143758B
NL143758B NL63292106A NL143758DA NL143758B NL 143758 B NL143758 B NL 143758B NL 63292106 A NL63292106 A NL 63292106A NL 143758D A NL143758D A NL 143758DA NL 143758 B NL143758 B NL 143758B
Authority
NL
Netherlands
Prior art keywords
modulation switch
modulation
switch
Prior art date
Application number
NL63292106A
Other languages
Dutch (nl)
Original Assignee
Siemens Ag
Publication of NL143758B publication Critical patent/NL143758B/en

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
    • E04G25/00—Shores or struts; Chocks
    • E04G25/04—Shores or struts; Chocks telescopic
    • E04G25/08—Shores or struts; Chocks telescopic with parts held relatively to each other by friction or gripping
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
    • E21D15/00—Props; Chocks, e.g. made of flexible containers filled with backfilling material
    • E21D15/14—Telescopic props
    • E21D15/28—Telescopic props with parts held relatively to each other by friction or gripping
    • E21D15/40—Collar or other support gripped to one or both parts by toggle-action, cam, or other member pivoted or similarly mounted

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Structural Engineering (AREA)
  • Mining & Mineral Resources (AREA)
  • Architecture (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Geology (AREA)
  • Civil Engineering (AREA)
NL63292106A MODULATION SWITCH. NL143758B (en)

Publications (1)

Publication Number Publication Date
NL143758B true NL143758B (en)

Family

ID=1856619

Family Applications (1)

Application Number Title Priority Date Filing Date
NL63292106A NL143758B (en) MODULATION SWITCH.

Country Status (1)

Country Link
NL (1) NL143758B (en)

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