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经营范围
发明名称
DEVICE FOR MANUFACTURING WATER SEAL
摘要
申请公布号
JPS5433939(A)
申请公布日期
1979.03.13
申请号
JP19780062835
申请日期
1978.05.25
申请人
BOC SUBOCEAN SERVICES LTD
发明人
ROORANSU POTSUTAA;ARAN JIYASUTEIN RASOTSUDO
分类号
F16J15/06;E21B41/06;F16L5/10
主分类号
F16J15/06
代理机构
代理人
主权项
地址
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