TY - PAT A1 - Setioningsih, Retnowati A1 - ., Sutrisna A1 - Abdul, Kadir AV - public N2 - . TI - Alat potong batu : Sertifikat desain industri UR - https://repository.itny.ac.id/id/eprint/5251/ ID - ITNYREPOID5251 Y1 - 2018/08/16/ IS - IDD000052257 ER -