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Patent abstracts: United States solid waste management, 1945-1969. Compiled by John A. Connolly and Sandra E. Radinsky. (Public Health Service publication no. 1793, suppl. A)

Patent abstracts: United States solid waste management, 1945-1969. Compiled by John A. Connolly and Sandra E. Radinsky. (Public Health Service publication no. 1793, suppl. A)
紙図書
for sale by the Supt. of Docs., U.S. Govt. Print. Off.]1973.<M351-20>
国立国会図書館
  • 件名Refuse and refuse disposal -- Patents.

Patent abstracts; international solid waste management, 1945-1969.

Patent abstracts; international solid waste management, 1945-1969.
紙図書
U.S. Environmental Protection Agency; [for sale by the Supt. of Docs., U.S. Govt. Print. Off.]1973.<M351-21>
国立国会図書館
  • 件名Refuse and refuse disposal -- Patents.

Patent abstracts US management, 1945-1969

Patent abstracts US management, 1945-1969
紙図書
U.S. Environmental Protection Agency[BiblioGov Project][201-]
全国の図書館

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