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ZHEJIANG KEHON INTELLIGENT SCIENCE & TECHNOLOGY CO., Ltd.
4 patents in portfolio
USD1115490
design
2026
Smart Door Lock
0 cites
USD1104702
design
2025
Smart Door Lock
0 cites
USD1104705
design
2025
Smart Lock
0 cites
USD1104706
design
2025
Smart Door Lock
0 cites