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发明名称
Filtering semi-mask
摘要
申请公布号
PL64928(Y1)
申请公布日期
2010.05.31
申请号
PL20090117287U
申请日期
2009.08.31
申请人
G&LSTROK,OWNY INSTYTUT GORNICTWA;SPO&LSTROK,DZIELNIA INWALIDOW ZGODA, ZAK&LSTROK,AD PRACY CHRONIONEJ
发明人
KUDAJ JAN;RUPRECHT HELENA;MEINHARDT EL&ZDOT,BIETA
分类号
A62B18/02
主分类号
A62B18/02
代理机构
代理人
主权项
地址
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