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Lugui Peng
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Chenghua City, CN
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Patents Grants
last 30 patents
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Patent Grant
Self-locking head-replaceable carbide drill
Patent number
10,081,066
Issue date
Sep 25, 2018
CHENGDU FENGYI PRECISION TOOLS MANUFACTURE CO., LTD
Lugui Peng
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Patents Applications
last 30 patents
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Patent Application
Self-Locking Head-Replaceable Hard Alloy Drill Bit
Publication number
20160311035
Publication date
Oct 27, 2016
CHENGDU FENGYI PRECISION TOOLS MANUFACTURE CO., LTD
Lugui Peng
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR