( 1 ) KAWATA MFG. CO., LTD. (株式會社 ):
Total Systems Engineering for Plastic Processing Air Transmit System of PC Material
( 2 ) ASAHI CHEMICAL INDUSTRY CO., LTD. ( 旭化成工業株式會社機能膜事業部 ) :
MF Filter, Membrane Filter
( 3 ) HITACHI ELECTRONICS ENGINEERING CO., LTD. ( 日立電子株式會社 )
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