Sumbu primacord ( primacord-bickford fuse )

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Sumbu primacord ( primacord-bickford fuse ) merupakan Salah satu merek dagang sumbu ledak yang intinya terdiri dari penta-eritrit tentranitrat (petn); terutama digunakan pada peledakan skala besar di kuari

Cari Istilah Geologi Tambang


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