The mica industry. A survey of the production of mica in the principal producing countries, its preparation, fabrication, uses, and distribution, with special reference to international trade and tariff considerations. Under the provisions of section 332, title III, part II of the United States Tariff act of 1930 ...
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| פורמט: | ספר |
| שפה: | English |
| יצא לאור: |
Washington,
U.S. Govt. Print. Off.,
1938.
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| סדרה: | Report no. 130, Second series.
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| נושאים: |
| תיאור פיזי: | x, 155 p. incl. illus., tables, diagr., plates. 23 cm. |
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