Document Type and Number:
Japanese Patent JPS5639070
Kind Code:
Y2
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Application Number:
JP3124976U
Publication Date:
September 11, 1981
Filing Date:
March 15, 1976
Export Citation:
International Classes:
E04H1/12; E04F15/02; E04F15/06; E06B1/56; E06B1/70; (IPC1-7): E04F15/02