sample-335 20150703
MAshi no susume
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| ichibei boil baul become white 人間国宝岩野市兵衛が使っている釜の周りには白いカルシウムが 長年の使用のなかでこびりついている…なぜか？ |
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| ソーダ灰で煮た繊維は酸性の明礬を中和して中性に戻す 力がある、苛性ソーダで煮ると、戻す力が弱い。 |
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| MA紙と、酸性紙と、コピー用紙 炭酸カルシウム添加のススメ |
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Fax 81-778-42-0144
Please contact me anything about mentions on this page, questions, opinions, etc.
Also it's more than welcome to have Links to your home pages. All right reserved Copyright(C)Yoshinao SUGIHARA
www.washiya.com