Document Type and Number:
Japanese Patent JPS56136020
Kind Code:
U
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Application Number:
JP3444580U
Publication Date:
October 15, 1981
Filing Date:
March 15, 1980
Export Citation:
International Classes:
F16B7/18; E04B1/24; E04B1/58; E04B7/06; F16B5/02; (IPC1-7): E04B7/06; E04B1/24; E04B1/40; F16B5/02