Hebei hengtuo mechanical equipment Co., Ltd 품질 관리

표준:patent for invention

번호:ZL202010092929.7

발급 일자:2021-07-16

유효 기간:2041-07-16

범위 / 범위:Technology certification

발행:China National Intellectural Property Administration

표준:patent for invention

번호:ZL202010092928.2

발급 일자:2021-07-16

유효 기간:2041-07-16

범위 / 범위:Technology certification

발행:China National Intellectural Property Administration

표준:patent for utility models

번호:ZL201922380284.2

발급 일자:2020-10-27

유효 기간:2040-10-27

범위 / 범위:Technology certification

발행:China National Intellectural Property Administration

표준:patent for utility models

번호:ZL201922380307.x

발급 일자:2020-10-16

유효 기간:2040-10-16

범위 / 범위:Technology certification

발행:China National Intellectural Property Administration

표준:patent for utility models

번호:ZL201922382929.6

발급 일자:2020-10-16

유효 기간:2040-10-16

범위 / 범위:Technology certification

발행:China National Intellectural Property Administration

표준:patent for utility models

번호:ZL201922380309.9

발급 일자:2020-09-08

유효 기간:2040-09-08

범위 / 범위:Technology certification

발행:China National Intellectural Property Administration