Patent certificate No.11541408_Positioning device
I-download
Patent certificate No.10776111_Clamping mechanism
I-download
Patent certificate No.6682743_Positioning device para sa tatlong panig na paggiling ng mga bahaging metal
I-download
Patent certificate No.6438179_Positioning device para sa mga bahaging metal
I-download
Patent certificate No.4100323_Umbrella dehumidifier
I-download
Patent certificate No.3373806_Positioning at clamping device
I-download