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Patent Searching and Data


Document Type and Number:
Japanese Patent JPH0374730
Kind Code:
B2
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Application Number:
JP26994686A
Publication Date:
November 27, 1991
Filing Date:
November 14, 1986
Export Citation:
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International Classes:
E03C1/122; E03D11/00; E03D11/13; F16L37/00; F16L39/00



 
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