JPS51112701A - Method for automatically continuously charging constant quantity of highhconcentration liquid such as surface active agent in air excavation type drilling
- Google Patents
Method for automatically continuously charging constant quantity of highhconcentration liquid such as surface active agent in air excavation type drilling
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Nittetsu Mining Co Ltd
Original Assignee
Nittetsu Mining Co Ltd
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Publication date
Application filed by Nittetsu Mining Co LtdfiledCriticalNittetsu Mining Co Ltd
Priority to JP3793275ApriorityCriticalpatent/JPS51112701A/ja
Publication of JPS51112701ApublicationCriticalpatent/JPS51112701A/ja
Publication of JPS5347201B2publicationCriticalpatent/JPS5347201B2/ja
JP3793275A1975-03-311975-03-31Method for automatically continuously charging constant quantity of highhconcentration liquid such as surface active agent in air excavation type drilling
GrantedJPS51112701A
(en)
Method for automatically continuously charging constant quantity of highhconcentration liquid such as surface active agent in air excavation type drilling
Method for automatically continuously charging constant quantity of highhconcentration liquid such as surface active agent in air excavation type drilling
Method for automatically continuously charging constant quantity of highhconcentration liquid such as surface active agent in air excavation type drilling
Method for automatically continuously charging constant quantity of highhconcentration liquid such as surface active agent in air excavation type drilling