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经营范围
发明名称
FIREPROOF PIPE
摘要
申请公布号
JPS56134692(A)
申请公布日期
1981.10.21
申请号
JP19800039512
申请日期
1980.03.26
申请人
OSAKA GAS CO LTD
发明人
NAKASHIBA AKIO;FUJIMOTO TATSUAKI;HIRAOKA TSUTOMU
分类号
F16L11/11;F16L11/16;F16L59/14;F16L59/153
主分类号
F16L11/11
代理机构
代理人
主权项
地址
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