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发明名称
PRESSURE-PROOF METHOD UTILIZING EXPANSION FORCE
摘要
申请公布号
JPS6440761(A)
申请公布日期
1989.02.13
申请号
JP19870194867
申请日期
1987.08.04
申请人
SUEKI KATSUNORI
发明人
SUEKI KATSUNORI
分类号
F16J12/00
主分类号
F16J12/00
代理机构
代理人
主权项
地址
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