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发明名称
DESORPTION PREVENTIVE TOOL FOR PIPE JOINT
摘要
申请公布号
JPS53134225(A)
申请公布日期
1978.11.22
申请号
JP19780051484
申请日期
1978.04.28
申请人
OSAKA GAS CO LTD
发明人
NAKAMURA SHIYUUICHI
分类号
F16L19/08;F16L21/08
主分类号
F16L19/08
代理机构
代理人
主权项
地址
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