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API 5 5/8 inch PDC Drag Bit 3 Blades maka nhazi siri ike
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API ọnụ ala dị ala 6 sentimita asatọ PDC nzọụkwụ ịdọrọ nku 3 na ngwaahịa
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Ụlọ ọrụ API nke 4 5/8 inch PDC ịdọrọ mkpọpu nwere 3 Blades
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152mm nzọụkwụ ịdọrọ agụba 3 maka nyocha ala ala
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Ọnụ ala dị ala 360mm nzọụkwụ ịdọrọ agụba 3 maka nhazi siri ike
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6 Inches PDC Dọrọ Bit 4 nku maka igwu mmiri nke ọma
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AP 98mm nzọụkwụ ịdọrọ bit 3 Blades maka mkpọ ala geothermal
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API 152mm PDC concave rock bit 4 Blades maka igwu mmiri
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Ngwunye API PDC n'ogbe n'okirikiri maka nhazi siri ike
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Ụlọ ọrụ API nke PDC bit maka igwu olulu mmiri na ngwaahịa
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Ngwongwo nchara nke ọma mmanụ PDC maka olulu mmiri siri ike
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8.5 inch otu cone roller bits IDC537G maka egwu egwu HDD