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发明名称
BUTTERFLY VALVE AND MANUFACTURE THEREOF
摘要
申请公布号
JPH0297777(A)
申请公布日期
1990.04.10
申请号
JP19880251387
申请日期
1988.10.05
申请人
TOMOE GIJUTSU KENKYUSHO:KK
发明人
YURUGI YOSHINORI
分类号
F16K1/226;B32B15/06
主分类号
F16K1/226
代理机构
代理人
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