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Inventor
IWAMOTO YASUTAKA
JP
2 patents
Patents
2 patents
US6325382B1
Dec 4, 2001
Non-contact type mechanical seal
NIPPON PILLAR PACKING
67 citations
90
US6530397B2
Mar 11, 2003
Multi-channel rotary joint
NIPPON PILLAR PACKING
5 citations
59