Patents

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Building unit with the shaft for the slab of the building block system

Classifications

A63H33/042 Mechanical, electrical, optical, pneumatic or hydraulic arrangements; Motors

CS191894B2

Czechoslovakia

Other languages
English
Inventor
Artur Fischer

Worldwide applications
1976 DE 1977 AT HU CH CS FR ES GB NL SE PL DK AU BE US JP DD

Application CS776222A events