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Inventor
YANG XIANGTONG
CN
2 patents
⚠️ This page may combine multiple inventors who share the name “YANG XIANGTONG”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
CNPC USA CORP
1 patent
US10415345B2
Sep 17, 2019
Millable bridge plug system
CNPC USA CORP
0 citations
36
PHOTOP TECHNOLOGIES INC
1 patent
US7782532B2
Aug 24, 2010
Optical isolator device
PHOTOP TECHNOLOGIES INC
0 citations
27