2024-03-29T00:24:54Zhttps://eprints.lib.hokudai.ac.jp/dspace-oai/requestoai:eprints.lib.hokudai.ac.jp:2115/208262019-04-25T04:04:06Zhdl_2115_19010hdl_2115_18961hdl_2115_157木材の硬さに関する研究Studies on the Indentation Hardness of Wood宮島, 寛MIYAJIMA, Hiroshiopen access650北海道大学農学部演習林1963-10jpndepartmental bulletin paperVoRhttp://hdl.handle.net/2115/208260367-6129AN00230369北海道大學農學部 演習林研究報告RESEARCH BULLETINS OF THE COLLEGE EXPERIMENT FORESTS HOKKAIDO UNIVERSITY222539607https://eprints.lib.hokudai.ac.jp/dspace/bitstream/2115/20826/1/22%282%29_P539-607.pdfapplication/pdf5.75 MB1963-10