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Patent Searching and Data


Document Type and Number:
Japanese Patent JPH034652
Kind Code:
Y2
Application Number:
JP16130784U
Publication Date:
February 06, 1991
Filing Date:
October 25, 1984
Export Citation:
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International Classes:
F16L3/00; E04D13/08; F16B15/02; (IPC1-7): E04D13/08