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发明名称
PIPE JOINT HAVING EXCELLENT JOINT STRENGTH
摘要
申请公布号
JPS63285391(A)
申请公布日期
1988.11.22
申请号
JP19870118017
申请日期
1987.05.14
申请人
NIPPON STEEL CORP
发明人
TSUKANO YASUTSUGU;FUJII HIROMI;SOGO YASUO
分类号
F16L13/00;F16L21/00
主分类号
F16L13/00
代理机构
代理人
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地址
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