 | 1970 - 734 pages
Includes sections: "Recent patents"; Industrial news, May 1934- ; "Book Reviews", Dec 1937- . | |
 | 1970 - 666 pages
Includes sections: "Recent patents"; Industrial news, May 1934- ; "Book Reviews", Dec 1937- . | |
 | 1969 - 774 pages
Includes sections: "Recent patents"; Industrial news, May 1934- ; "Book Reviews", Dec 1937- . | |
 | 1969 - 748 pages
Includes sections: "Recent patents"; Industrial news, May 1934- ; "Book Reviews", Dec 1937- . | |
 | 1968 - 624 pages
Includes sections: "Recent patents"; Industrial news, May 1934- ; "Book Reviews", Dec 1937- . | |
 | 1968 - 674 pages
Includes sections: "Recent patents"; Industrial news, May 1934- ; "Book Reviews", Dec 1937- . | |
 | 1966 - 1404 pages
Includes sections: "Recent patents"; Industrial news, May 1934- ; "Book Reviews", Dec 1937- . | |
 | 1965 - 1348 pages
Includes sections: "Recent patents"; Industrial news, May 1934- ; "Book Reviews", Dec 1937- . | |
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