GR3922B -
FRAMEWORK OF VARIOUS SHAPES AND SIZES OF METAL, PLASTIC PAPER AND WOOD IN COMBINATION WITH MOBILE ELEMENTS AND NUMBERS OF VARIOUS SIZES.
- Google Patents
FRAMEWORK OF VARIOUS SHAPES AND SIZES OF METAL, PLASTIC PAPER AND WOOD IN COMBINATION WITH MOBILE ELEMENTS AND NUMBERS OF VARIOUS SIZES.
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GR320103922A1932-12-021932-12-02
FRAMEWORK OF VARIOUS SHAPES AND SIZES OF METAL, PLASTIC PAPER AND WOOD IN COMBINATION WITH MOBILE ELEMENTS AND NUMBERS OF VARIOUS SIZES.
GR3922B
(en)