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作者: Branneman Leonard
DOI:
关键词:
摘要: This invention relates to cleaning devices of the vacuum type, and more particularly, a combined scrubbing device employing steam as medium. A main object is provide I novel improved for use in floors...
,1988, 引用: 16
,1987, 引用: 8
,1994, 引用: 4
,2005, 引用: 3
,1988, 引用: 18
,1976, 引用: 33
,1978, 引用: 45
,2014, 引用: 0
,2002, 引用: 24
,1978, 引用: 17