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发明名称
METHOD FOR PREVENTING DIFFUSION OF GAS IN WHICH OBJECT CAN BE PASSED
摘要
申请公布号
JPH057855(A)
申请公布日期
1993.01.19
申请号
JP19910191378
申请日期
1991.04.26
申请人
KANEKO KYOZO
发明人
KANEKO KYOZO
分类号
B08B3/08
主分类号
B08B3/08
代理机构
代理人
主权项
地址
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