Method of and apparatus for charging drill holes with explosive

IL41121A0Inactive Publication Date: 1973-05-31NITRO NOBEL AG
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Patent Information

Application Number
IL41121
Authority / Receiving Office
IL · IL
Patent Type
Applications
Current Assignee / Owner
Priority Date
1971-12-30
Filing Date
1972-12-19
Publication Date
1973-05-31
Estimated Expiration
Not applicable · inactive patent
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