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经营范围
发明名称
JOINT FOR TWO-LAYERED PIPE
摘要
申请公布号
JPS63125735(A)
申请公布日期
1988.05.28
申请号
JP19860269946
申请日期
1986.11.14
申请人
NISHIHARA EISEI KOGYOSHO:KK
发明人
WATANABE TAKASHI
分类号
E03C1/122;E03D11/00;E03D11/13;F16L37/00;F16L39/00
主分类号
E03C1/122
代理机构
代理人
主权项
地址
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