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发明名称
摘要
申请公布号
JPH0146758(B2)
申请公布日期
1989.10.11
申请号
JP19800162794
申请日期
1980.11.18
申请人
OSAKA GAS CO LTD
发明人
HORI KOJIRO
分类号
F16L41/06
主分类号
F16L41/06
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