ES398A1 -
Improvements in the means of extracting coal and other minerals, and in the drilling of rocks and other substances, by means of explosive materials in combination with water.
- Google Patents
Improvements in the means of extracting coal and other minerals, and in the drilling of rocks and other substances, by means of explosive materials in combination with water.
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Mac Nab James
Original Assignee
Mac Nab James
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Mac Nab JamesfiledCriticalMac Nab James
Priority to ES398ApriorityCriticalpatent/ES398A1/en
Publication of ES398A1publicationCriticalpatent/ES398A1/en
ES398A1879-06-021879-06-02
Improvements in the means of extracting coal and other minerals, and in the drilling of rocks and other substances, by means of explosive materials in combination with water.
ExpiredES398A1
(en)
Improvements in the means of extracting coal and other minerals, and in the drilling of rocks and other substances, by means of explosive materials in combination with water.
Improvements in the means of extracting coal and other minerals, and in the drilling of rocks and other substances, by means of explosive materials in combination with water.
Improvements in the means of extracting coal and other minerals, and in the drilling of rocks and other substances, by means of explosive materials in combination with water.
Improvements in the means of extracting coal and other minerals, and in the drilling of rocks and other substances, by means of explosive materials in combination with water.