Document Type and Number:
Japanese Patent JPH0538169
Kind Code:
Y2
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Application Number:
JP8674488U
Publication Date:
September 28, 1993
Filing Date:
June 29, 1988
Export Citation:
International Classes:
E04B1/76; E04B1/70; F16L59/12; (IPC1-7): E04B1/76
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