ZM680A1 - Chuck and wrench assembly for raise drill apparatuemulsion-type explosive composition and method for the preparation thereof s
- Google Patents
Chuck and wrench assembly for raise drill apparatuemulsion-type explosive composition and method for the preparation thereof s
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Priority claimed from US06/038,758external-prioritypatent/US4235120A/en
Priority claimed from US06/064,172external-prioritypatent/US4287010A/en
Application filed by Du Pont, Dresser IndfiledCriticalDu Pont
Publication of ZM680A1publicationCriticalpatent/ZM680A1/en
ZM6/80A1979-05-141980-01-24Chuck and wrench assembly for raise drill apparatuemulsion-type explosive composition and method for the preparation thereof s
ZM680A1
(en)