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Patent Searching and Data


Document Type and Number:
Japanese Patent JPS4711524
Kind Code:
U
Application Number:
JP1219171U
Publication Date:
October 11, 1972
Filing Date:
February 27, 1971
Export Citation:
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International Classes:
E04F15/00; E04B1/76; E04C2/30; E04F15/02; E04F15/10; E04F15/18; (IPC1-7): E04F15/10; E04C2/30
Domestic Patent References:
JPH0513834U1993-02-23