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发明名称
DUST PREVENTIVE BREATHING PROTECTOR
摘要
申请公布号
JPH01230355(A)
申请公布日期
1989.09.13
申请号
JP19880056348
申请日期
1988.03.11
申请人
YAMAHA SHATAI KOGYO KK;YAMAHA MOTOR CO LTD;YAMAMOTO KOGAKU KK
发明人
IIO TOSHIAKI
分类号
A61F9/06
主分类号
A61F9/06
代理机构
代理人
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地址
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