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You searched for: All Subjects Bits (Drilling and boring)--Safety measures. Remove constraint All Subjects: Bits (Drilling and boring)--Safety measures. All Subjects Coal mines and mining--Safety measures. Remove constraint All Subjects: Coal mines and mining--Safety measures.
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1. Coal tools safety.

Creator Corporate Names:
Kennametal. Mining Tool Group.
Title:
Coal tools safety.
Call Number:
P18962
Date:
1978
Description:

Pamphlet.

Subject Topical:
Coal mines and mining--Safety measures., Mine roof bolting--Safety measures., Mining machinery--Safety measures., Bits (Drilling and boring)--Safety measures., Coal augers--Safety measures., Coal-mining machinery--Safety measures.
All:
Coal mines and mining--Safety measures., Mine roof bolting--Safety measures., Mining machinery--Safety measures., Coal-mining machinery--Safety measures., Coal augers--Safety measures., Bits (Drilling and boring)--Safety measures.