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BESTEX KK
JP3 patents
Top patents by PatentIndex Score
US5143752ASep 1, 1992
Filtering material of apatite and glucan used for surgical masks and method of making it
BESTEX KK33 citations90
US5296254AMar 22, 1994
Method of producing a filtering material
BESTEX KK10 citations72
US5597619AJan 28, 1997
Filtering material and method of producing the same
BESTEX KK3 citations61