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发明名称
摘要
申请公布号
JPS6330461(B2)
申请公布日期
1988.06.17
申请号
JP19810205882
申请日期
1981.12.19
申请人
IG GIJUTSU KENKYUSHO KK
发明人
ISHIKAWA TAKASHI
分类号
E04F13/12;E04D3/00;E04D3/35;E04D3/362;E04F13/08
主分类号
E04F13/12
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代理人
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