Combined sponge and brush toilet bowl cleaner
作者： Armin H Bernet
DOI:
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摘要:
lens.org 参考文章(4)
Amerigo J Ferrari, Massaging attachment for toothbrushes ,(1947)
Ecker Louis, Cleaning device having a brush and flanking sponge and squeegee elements ,(1945)
Kisky Christian, Toothbrush having a trapezoidal transverse head ,(1947)
Florence V Ralston, Applicator and cleaner ,(1928)